Airtac AIRTAC SC125-160 Standard Cylinder SC125X1000H
The AirTAC Airtac AIRTAC SC125-160 Standard Cylinder SC125X1000H is a genuine double-acting standard air cylinder with a Ø125mm bore and 1000mm stroke, PT1/2 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ125 mm
- Stroke1000 mm
- Port sizePT1/2
- Acting typeDouble acting
- Rod threadM27×2
- CushionAdjustable, 28 mm
About the Airtac AIRTAC SC125-160 Standard Cylinder SC125X1000H
The SC125X1000H is a large-bore double-acting pneumatic cylinder delivering 6136 N of push force at 0.5 MPa and up to 11045 N at 0.9 MPa. Its 32 mm diameter piston rod and 28 mm adjustable air cushion handle high-inertia loads at the end of the 1000 mm stroke, making it a robust actuator for heavy industrial tasks.
This model is fitted with Viton (FKM) seals, extending the operating temperature range to 0–150 °C for hot or chemically aggressive environments. The SC125 body length A is 203 mm, giving a total extended length of approximately 1203 mm. As an ISO 6430 class tie-rod cylinder, it is designed for demanding applications where reliable force and heat resistance are critical.
Airtac AIRTAC SC125-160 Standard Cylinder SC125X1000H Technical Specifications
| Model | Airtac AIRTAC SC125-160 Standard Cylinder SC125X1000H |
|---|---|
| Series | SC big-bore tie-rod cylinder (ISO 6430 class) |
| Bore size | Ø125 mm |
| Stroke | 1000 mm |
| Acting type | Double acting |
| Port size | PT1/2 |
| Rod thread | M27×2 |
| Fluid | Air (filtered by 40µm element) |
|---|---|
| Operating pressure | 0.15 – 1.0 MPa |
| Proof pressure | 1.5 MPa |
| Temperature | -20 to +70 °C |
| Speed range | 30 – 500 mm/s |
| Cushion | Adjustable, 28 mm |
| Max stroke | Up to 1500 mm |
Specifications follow the official AirTAC SC series datasheet. Operating pressure 0.15–1.0 MPa, proof pressure 1.5 MPa, temperature −20 to +70 °C. Confirm against the product label before installation. Thread options: PT (standard) / G.
Theoretical Output Force (Ø125mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 6136 N | 5734 N |
| 0.7 MPa | 8590 N | — |
| Max (approx.) | 1251 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac AIRTAC SC125-160 Standard Cylinder SC125X1000H
| SC | Standard tie-rod cylinder series. |
|---|---|
| 125 | Bore size in mm. |
| ×1000 | Stroke length in mm. |
| -S | Optional built-in magnet for sensor position sensing. |
Related variants: SCD (double rod), SCJ (adjustable stroke), SCT (multi-position). Seals: TPU standard / H = Viton / N = NBR. Thread: blank = PT, G = G thread.
Where the Airtac AIRTAC SC125-160 Standard Cylinder SC125X1000H Is Used
Sawmill Log Handling
The 11045 N push force at 0.9 MPa and Viton seals rated to 150 °C make this cylinder ideal for log kickers and carriage drives in sawmills, where heat, dust, and heavy impacts are constant.
Heavy-Duty Clamping
Delivers over 6000 N of clamping force for welding fixtures and large machining centres. The adjustable cushion decelerates the 1000 mm stroke smoothly, preventing vibration in the clamped part.
Baler Compression Ram
With a 1000 mm stroke and 6136 N of push force at 0.5 MPa, this cylinder powers the main compression ram in recycling balers, compacting cardboard or plastics under sustained high-temperature operation.
Is the Airtac AIRTAC SC125-160 Standard Cylinder SC125X1000H the Right Cylinder?
Choose the SC125X1000H when your application needs over 6000 N of force at standard shop air. If 3927 N is sufficient, stepping down to an SC100 bore reduces weight and air consumption. For strokes of 1000 mm, always check for side loading—a 32 mm rod extended this far can bend under misalignment or off-centre loads; use an external guide rail or a guided cylinder to protect the rod bearings and seals.
To replace an existing cylinder, match five points: 125 mm bore, 1000 mm stroke, PT port thread, basic mount (no bracket), and no magnet. The SC is a tie-rod cylinder and is not dimensionally interchangeable with ISO 15552 profile cylinders.
Quick checklist
- ✓ Required force at your working pressure
- ✓ Stroke and mounting space
- ✓ Port/thread type (PT/NPT/G)
- ✓ Magnet (-S) for sensors?
- ✓ Side load — consider a guided cylinder
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.15 – 1.0 MPa operating pressure.
- check Avoid side load on the piston rod.
- check Adjust end cushion screws for smooth stops.
- check Use correct mounting accessory (FA/FB/CA/CB/LB/TC).
- check Installation by qualified personnel per AirTAC docs.
Airtac AIRTAC SC125-160 Standard Cylinder SC125X1000H FAQ
At 0.7 MPa operating pressure, the SC125 bore generates 8590 N of push force. The maximum push force at 0.9 MPa is 11045 N. Always operate within the 0.15–1.0 MPa pressure range.
No. The SC125X1000H is a double-acting cylinder that requires continuous air pressure to maintain position. If pressure is lost or the directional valve centres, the piston will drift. For load holding, add a pilot-operated check valve or an external mechanical rod lock.
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